package com.one2one;

import com.many2many.BaseHibernateDAO;
import java.util.List;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A data access object (DAO) providing persistence and search support for
 * Reader entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.one2one.Reader
 * @author MyEclipse Persistence Tools
 */

public class ReaderDAO extends BaseHibernateDAO {
	private static final Logger log = LoggerFactory.getLogger(ReaderDAO.class);
	// property constants
	public static final String NAME = "name";
	public static final String SEX = "sex";
	public static final String EMAIL = "email";

	public void save(Reader transientInstance) {
		log.debug("saving Reader instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Reader persistentInstance) {
		log.debug("deleting Reader instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Reader findById(java.lang.Integer id) {
		log.debug("getting Reader instance with id: " + id);
		try {
			Reader instance = (Reader) getSession().get("com.one2one.Reader",
					id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Reader instance) {
		log.debug("finding Reader instance by example");
		try {
			List results = getSession().createCriteria("com.one2one.Reader")
					.add(Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Reader instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Reader as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findBySex(Object sex) {
		return findByProperty(SEX, sex);
	}

	public List findByEmail(Object email) {
		return findByProperty(EMAIL, email);
	}

	public List findAll() {
		log.debug("finding all Reader instances");
		try {
			String queryString = "from Reader";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Reader merge(Reader detachedInstance) {
		log.debug("merging Reader instance");
		try {
			Reader result = (Reader) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Reader instance) {
		log.debug("attaching dirty Reader instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Reader instance) {
		log.debug("attaching clean Reader instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}